S-92949A449 3/8"-16 x 1/4" Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing long-term maintenance costs.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance in high-stress applications.
• Precise and secure fastening ensured by the Class 3A thread fit, minimizing the risk of loosening under vibration and load.
• Efficient installation and removal with the 7/32" hex drive, providing a positive grip and reducing tool slippage.
• Versatile coarse UNC thread design allows for quicker assembly and better performance in softer materials or where debris is present.
• Low-profile, rounded button head offers a finished appearance and reduces snagging, enhancing safety and aesthetics.
• Full regulatory compliance with RoHS 3 and REACH, ensuring environmental safety and meeting international supply chain requirements.

Professional Applications & Engineering Value

This 3/8"-16 UNC Rounded Head Hex Drive Screw is engineered to address critical challenges in industrial assembly and machinery. The 18-8 Stainless Steel material provides excellent resistance to oxidation and corrosion, making it a durable choice for outdoor equipment, marine applications, and chemical processing plants where moisture and corrosive agents are prevalent. The Class 3A thread fit and coarse thread design ensure a tight, reliable connection that withstands vibrational stresses, preventing joint failure in dynamic systems like automotive components, conveyor systems, and heavy machinery. The combination of 70,000 psi tensile strength and the low-profile button head with a hex drive allows for high-torque installation in confined spaces, streamlining assembly lines and reducing labor time. This fastener is a robust solution for engineers seeking longevity, compliance, and performance in demanding industrial fastener applications.

Specification Summary & Compliance

This screw features a 3/8"-16 UNC thread with a Class 3A fit for high precision and a coarse thread spacing. It is fully threaded and right-hand oriented. Manufacturing adheres to standard dimensional specifications for head diameter (0.656"), head height (0.199"), and drive size (7/32"). The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global markets.